24/7 Emergency Service

Mill Creek, WA



Since the city was incorporated, the 20,000 people of Mill Creek, Washington have counted on Day and Nite Plumbing and Heating to keep the water flowing and the heat on. In the city, 8,000 households need to know that their heating will not fail them, especially during the cold winters. A suburb of Seattle, Mill Creek has a trending vibe that feels as modern as the city itself.

When Mill Creek homeowners are having a problem with their plumbing, Day and Nite Plumbing and Heating is the company they call upon to stop the leaks and fix their water heaters. If you need significant repairs, a new system or you just want to improve your energy efficiency, we are here to provide the expert help you need.


For 63 years, Day and Nite Plumbing and Heating has sought to provide residents of Mill Creek and the surrounding areas with the best service they could ever receive for their heating, air conditioning and plumbing concerns. With our expert technicians available 24 hours a day, 7 days a week, we believe that you will come away from your installation or repair knowing that you can count on us to stand by our work.


A leak in your plumbing could lead to hundreds or thousands of gallons in wasted water each year. A burst pipe might cost thousands of dollars to fix. When you have a plumbing problem, you want it repaired immediately. At Day & Nite Plumbing & Heating, Inc., we have the skill and experience to quickly assess the plumbing problems in your home, identify solutions, give you an accurate estimate and perform the plumbing repair Mill Creek homeowners appreciate year after year. The result leaves you with a solid plumbing system you know will work well for many years to come.

  • Emergency plumber
  • Air conditioning repair
  • Water heater repair and replacement
  • Furnace repair and installation
  • Drain cleaning
  • Tankless waters heaters

The city of Mill Creek has a relatively recent history with a lot of development happening in the current century. Mill Creek was originally built as a golf course with a planned community surrounding the course and a country club. At the city’s incorporation in 1983, much of the area was still woodland. Recent developments have increased the population in this bedroom community of Seattle.

To learn more about our HVAC and plumbing services for your home, contact Day & Nite Plumbing & Heating, Inc. today!

A/C Repair, Plumbing Service & Water Heater Replacement

$300 OFF Any Whole House Water and/or Waste System Re-Pipe

(425) 775-6464

Not valid with any other offer. Other restrictions and details may apply. Limited to one coupon per household. Offer only good in our service area.

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No Payments No Interest for up to 6 months With Approved Credit

(425) 775-6464

Subject to credit approval. Cannot be combined with any other offer. Call for more details.

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$50 Off Drain Cleaning

(425) 775-6464

Not valid with any other offer. Other restrictions and details may apply. Limited to one coupon per household.

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D. Thomas

We had a great experience with Day and Nite from start to finish. Chris was great at the no obligation consult. He explained things clearly and covered everything but didn’t waste our time. They also provided lots of options and thoroughly explained them but never tried to push or up-sell us. Installation was fast and very professional. We will definitely be using Day and Nite in the future.

M. Lindell

Collin was our tech and he was very knowledgeable answered our questions and what they charged was very reasonable and we are very happy to have water again. I was really impressed by everyone that we dealt with they all were professional and helpful.

E. Rubio

I had the privilege to meet Zach on two separate occasions within a two week span. He was upfront and honest about the work that needed to be done. He is a hard-working, dedicated, professional employee of Day and Nite Plumbing. He explained what needed to be done. I asked questions and he was patient and explained things further so that I truly understood.

S. Lippold

Outstanding Service! Scheduler was pleasant and receptive. Technician (Collin) communicated well, arrived in the agreed upon time frame, diagnosed the problem and fixed the issue quickly. Previously, we had two other companies misdiagnose the problem and one company stand us up for a scheduled appointment. If we have plumbing issues in the future, Day & Night Plumbing will be our first call !

D. Campbell

Very pleased with the professional technician, Donavan, who came out when our water heater quit working. This was the third major problem with this water heater, so we took his advice and replaced it. Thankfully, he was able to also install the new one right away. I had confidence in his advice and ability to do the job. He was thorough and friendly. It was a five star experience. I highly recommend.

D. Lee

The technician was great: he knew exactly what the problem was and fixed it quickly and efficiently. Even when a glitch happened in the repair, he was totally prepared to handle the situation. I will definitely contact Day & Nite Plumbing for future problems. Thank you!

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Plumbing ServiceHVAC InstallationA/C Repair